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Technical Data Sheet
PartsTable / COMPONENT / 90-5138
90-5138 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include handpiece_design: CONTRA-ANGLE, end_item_identification: 6520-01-586-9272 DENTAL OPERATING UNIT, part_name_assigned_by_controlling_agency: HANDPIECE DENTAL KAVO GENTLE POWER LUX 25LCR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-099-3119, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
90-5138
NSN: 3120-01-099-3119
FSC: 3120
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
handpiece_designCONTRA-ANGLE
end_item_identification6520-01-586-9272 DENTAL OPERATING UNIT
part_name_assigned_by_controlling_agencyHANDPIECE DENTAL KAVO GENTLE POWER LUX 25LCR
NSN3120-01-099-3119
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 90-5138 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
6280434Interchangeable
interchangeable cross-reference
interchangeable
92-KV1007.5550Interchangeable
interchangeable cross-reference
interchangeable
1007.5700Interchangeable
interchangeable cross-reference
interchangeable
C6AZ7D014BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90-5138?
90-5138 is a BEARING,WASHER,THRUST.
What parts can replace 90-5138?
There are 4 known substitutes for 90-5138: 6280434, 92-KV1007.5550, 1007.5700 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90-5138?
90-5138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-099-3119. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026